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2023 Map of Register Rock

Name: 2023 Topographic Map of Register Rock
Creator: U.S. Geological Survey
Published: 2023
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2023

About this map

The Snake River winds through the southern portion of this landscape, forming the centerpiece of the Minidoka National Wildlife Refuge and expanding into Lake Walcott. This modern topographic study reveals a terrain of high plateaus and distinct volcanic or erosional features, such as the curiously named Janies Nipples and the elevation of Cedar Ridge. The map documents a sparsely settled region where the legacy of early land use is preserved in names like Bonanza Bar and Frymier Field, while the small community of Quigley sits at the northern edge.

Local navigation relies on a network of unpaved corridors including Lake Channel Rd and Quigley Rd, which cross the high desert landscape between water sources like Morgans Waterhole. The deep cut of Lake Channel Canyon and the winding course of Rock Creek show the complex hydrology of the Snake River Plain, where seasonal flows and permanent springs like Mowers Spring have historically dictated human and animal movement.